18605804

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{173}}^1$

素因数の和:374

約数の個数: 48

約数和(自身を含む): 39287808

約数和(自身を除く): 20682004

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 167, 173, 322, 334, 346, 644, 668, 692, 1169, 1211, 2338, 2422, 3841, 3979, 4676, 4844, 7682, 7958, 15364, 15916, 26887, 27853, 28891, 53774, 55706, 57782, 107548, 111412, 115564, 202237, 404474, 664493, 808948, 1328986, 2657972, 4651451, 9302902, 18605804]

約数ペア:

[(1, 18605804), (2, 9302902), (4, 4651451), (7, 2657972), (14, 1328986), (23, 808948), (28, 664493), (46, 404474), (92, 202237), (161, 115564), (167, 111412), (173, 107548), (322, 57782), (334, 55706), (346, 53774), (644, 28891), (668, 27853), (692, 26887), (1169, 15916), (1211, 15364), (2338, 7958), (2422, 7682), (3841, 4844), (3979, 4676)]